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bug#29183: 27.0.50; SIGSEGV on C-g on Windows
From: |
John Mastro |
Subject: |
bug#29183: 27.0.50; SIGSEGV on C-g on Windows |
Date: |
Tue, 7 Nov 2017 10:14:09 -0800 |
Eli Zaretskii <eliz@gnu.org> wrote:
> Is this again bug#29040? Did main_thread become mis-aligned again?
I repeated the commands Richard used in that bug report, and I believe
you're right: it's 8-byte aligned rather than 16-byte aligned.
Transcript below.
Thread 1 received signal SIGSEGV, Segmentation fault.
0x00007ff8cb7893a0 in ntdll!RtlCaptureContext ()
from C:\Windows\SYSTEM32\ntdll.dll
(gdb) frame 0
#0 0x00007ff8cb7893a0 in ntdll!RtlCaptureContext ()
from C:\Windows\SYSTEM32\ntdll.dll
(gdb) p/x $rax
$1 = 0x4005d1d68
(gdb) up
#1 0x00007ff8cb6f8f27 in ntdll!RtlUnwindEx ()
from C:\Windows\SYSTEM32\ntdll.dll
(gdb) up
#2 0x00007ff8c91d1f4a in msvcrt!_setjmpex ()
from C:\Windows\System32\msvcrt.dll
(gdb) up
#3 0x00000004000a93d4 in quit_throw_to_read_char (
from_signal=from_signal@entry=false) at keyboard.c:10548
10548 sys_longjmp (getcjmp, 1);
(gdb) p &getcjmp
$2 = (sys_jmp_buf *) 0x4005d1d68 <main_thread+224>
- bug#29183: 27.0.50; SIGSEGV on C-g on Windows, John Mastro, 2017/11/06
- bug#29183: 27.0.50; SIGSEGV on C-g on Windows, Eli Zaretskii, 2017/11/06
- bug#29183: 27.0.50; SIGSEGV on C-g on Windows,
John Mastro <=
- bug#29183: 27.0.50; SIGSEGV on C-g on Windows, Eli Zaretskii, 2017/11/07
- bug#29183: 27.0.50; SIGSEGV on C-g on Windows, John Mastro, 2017/11/07
- bug#29183: 27.0.50; SIGSEGV on C-g on Windows, Eli Zaretskii, 2017/11/07
- bug#29183: 27.0.50; SIGSEGV on C-g on Windows, John Mastro, 2017/11/08
- bug#29183: 27.0.50; SIGSEGV on C-g on Windows, Eli Zaretskii, 2017/11/08
- bug#29183: 27.0.50; SIGSEGV on C-g on Windows, Paul Eggert, 2017/11/08
- bug#29183: 27.0.50; SIGSEGV on C-g on Windows, John Mastro, 2017/11/08
- bug#29183: 27.0.50; SIGSEGV on C-g on Windows, Paul Eggert, 2017/11/08
- bug#29183: 27.0.50; SIGSEGV on C-g on Windows, John Mastro, 2017/11/09
bug#29183: 27.0.50; SIGSEGV on C-g on Windows, Davor Rotim, 2017/11/09